The Louisiana Governor signed into law House Bill 10 on June 24, 2018. House Bill 10 includes a Louisiana state level sales and use rate change from 5% to 4.45% effective July 1, 2018 as explained in the Louisiana Dept of Revenue News Release: www.rev.state.la.us/NewsAndPublications/NewsReleaseDetails/11467.
Also, please refer to Revenue Information Bulletin 18-016 for details related to the states’ sales and use tax rate change.